ac6c4682f3
GCC 4.7.4 and newer seems to optimize the lock-variable accesses more radically, which uncovered the missing volatile qualifier and resulted in: Assertion "(int)locked >= 0" failed in file '.../okl4_x86/kernel/include/kernel/read_write_lock.h', line 151 (fn=f0104771) --- "KD# assert" ---
14 lines
365 B
Diff
14 lines
365 B
Diff
diff --git a/pistachio/include/read_write_lock.h b/pistachio/include/read_write_lock.h
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index d667451..49f7f30 100644
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--- a/pistachio/include/read_write_lock.h
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+++ b/pistachio/include/read_write_lock.h
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@@ -123,7 +123,7 @@ struct read_write_lock_t
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bool is_locked(void);
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#if defined(CONFIG_DEBUG)
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- word_t locked;
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+ word_t volatile locked;
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#endif
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};
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